Changeset 9b2729c in mainline for genarch/src/softint/division.c

Timestamp:

2006-02-07T20:22:17Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

8b3eebb

Parents:

47c83bc

Message:

Fix number of steps in softint division.
Make ia64 port compile with softint.

File:

• genarch/src/softint/division.c (moved) (moved from genarch/src/softint/softint.c ) (9 diffs)

genarch/src/softint/division.c

@@ -27 +27 @@
  */
 
-#include <softint/softint.h>
+#include <genarch/softint/division.h>
 
 #define ABSVAL(x) ( (x) > 0 ? (x) : -(x))
@@ -35 +35 @@
 {
         unsigned int result;
-        int steps = sizeof(unsigned int); 
+        int steps = sizeof(unsigned int) * 8; 
         
         *remainder = 0;
@@ -52 +52 @@
         for ( ; steps > 0; steps--) {
                 /* shift one bit to remainder */
-                *remainder = ( (*remainder) << 1) | (( divident >> 31) & 0x1);
+                *remainder = ( (*remainder) << 1) | (( a >> 31) & 0x1);
                 result <<= 1;
                 
@@ -59 +59 @@
                                 result |= 0x1;
                 }
-                divident <<= 1;
+                a <<= 1;
         }
 
@@ -69 +69 @@
 {
         unsigned long result;
-        int steps = sizeof(unsigned long); 
+        int steps = sizeof(unsigned long) * 8; 
         
         *remainder = 0;
@@ -86 +86 @@
         for ( ; steps > 0; steps--) {
                 /* shift one bit to remainder */
-                *remainder = ( (*remainder) << 1) | (( divident >> 63) & 0x1);
+                *remainder = ( (*remainder) << 1) | ((a >> 63) & 0x1);
                 result <<= 1;
                 
@@ -93 +93 @@
                                 result |= 0x1;
                 }
-                divident <<= 1;
+                a <<= 1;
         }
 
@@ -143 +143 @@
         divandmod32(a, b, &rem);
         
-        /* if divident is negative, remainder must be too*/
+        /* if divident is negative, remainder must be too */
         if (!(SGN(a))) {
                 return -((int)rem);
@@ -157 +157 @@
         divandmod64(a, b, &rem);
         
-        /* if divident is negative, remainder must be too*/
+        /* if divident is negative, remainder must be too */
         if (!(SGN(a))) {
                 return -((long)rem);